package com.qiuling.iot.config;

import com.qiuling.iot.utils.HttpPoolSettings;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;

/**
 * @Author：zhangqiang
 * @Description：httpclint配置
 * @Date：Created in 15:03 2020/2/25
 * @Modified By：
 */
@Configuration
public class RestTemplateConfig {

    @Autowired
    private HttpPoolSettings httpPoolSettings;

    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate(httpRequestFactory());
    }

    @Bean
    public ClientHttpRequestFactory httpRequestFactory() {
        return new HttpComponentsClientHttpRequestFactory(httpClient());
    }

    @Bean
    public HttpClient httpClient() {
        Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", PlainConnectionSocketFactory.getSocketFactory())
                .register("https", SSLConnectionSocketFactory.getSocketFactory())
                .build();
        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);
        connectionManager.setMaxTotal(httpPoolSettings.getMaxTotal());
        connectionManager.setDefaultMaxPerRoute(httpPoolSettings.getDefaultMaxPerRoute());
        connectionManager.setValidateAfterInactivity(httpPoolSettings.getValidateAfterInactivity());
        RequestConfig requestConfig = RequestConfig.custom()
                //服务器返回数据(response)的时间，超过抛出read timeout
                .setSocketTimeout(httpPoolSettings.getSocketTimeout())
                //连接上服务器(握手成功)的时间，超出抛出connect timeout
                .setConnectTimeout(httpPoolSettings.getConnectTimeout())
                /**
                 * //从连接池中获取连接的超时时间，超时间未拿到可用连接，
                 * 会抛出org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection from pool
                 */
                .setConnectionRequestTimeout(httpPoolSettings.getConnectionRequestTimeout())
                .build();
        return HttpClientBuilder.create()
                .setDefaultRequestConfig(requestConfig)
                .setConnectionManager(connectionManager)
                .build();
    }

}
